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/*
* Copyright (C) 2018-2021 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include "shared/source/helpers/debug_helpers.h"
#include <cstddef>
#include <cstdint>
#include <type_traits>
template <typename T>
struct Vec3 {
static_assert(std::is_pod<T>::value);
Vec3(T x, T y, T z) : x(x), y(y), z(z) {}
Vec3(const Vec3 &v) : x(v.x), y(v.y), z(v.z) {}
Vec3(const T *arr) {
if (arr == nullptr) {
x = y = z = 0;
} else {
x = arr[0];
y = arr[1];
z = arr[2];
}
}
Vec3 &operator=(const Vec3 &arr) {
x = arr.x;
y = arr.y;
z = arr.z;
return *this;
}
Vec3<T> &operator=(const T arr[3]) {
x = arr[0];
y = arr[1];
z = arr[2];
return *this;
}
bool operator==(const Vec3<T> &vec) const {
return ((x == vec.x) && (y == vec.y) && (z == vec.z));
}
bool operator!=(const Vec3<T> &vec) const {
return !operator==(vec);
}
T &operator[](uint32_t i) {
UNRECOVERABLE_IF(i > 2);
return values[i];
}
T operator[](uint32_t i) const {
UNRECOVERABLE_IF(i > 2);
return values[i];
}
unsigned int getSimplifiedDim() const {
if (z > 1) {
return 3;
}
if (y > 1) {
return 2;
}
if (x >= 1) {
return 1;
}
return 0;
}
union {
struct {
T x, y, z;
};
T values[3];
};
};
static_assert(offsetof(Vec3<size_t>, x) == offsetof(Vec3<size_t>, values[0]));
static_assert(offsetof(Vec3<size_t>, y) == offsetof(Vec3<size_t>, values[1]));
static_assert(offsetof(Vec3<size_t>, z) == offsetof(Vec3<size_t>, values[2]));
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